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參數(shù)資料
| 型號： | MB90F912BSPMC |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | 7 X 7 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 8/64頁 |
| 文件大?。?/td> | 1749K |
| 代理商： | MB90F912BSPMC |
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MB90910 Series
16
DS07–13755–2E
11. Stabilization of power supply voltage
A sudden change in the power supply voltage may cause the device to malfunction even within the specified
VCC power supply voltage operating guarantee range. Therefore, the VCC power supply voltage should be
stabilized.
For reference, the power supply voltage should be controlled so that VCC ripple variations (peak-to-peak
value) at commercial frequencies (50 Hz/60 Hz) fall below 10
% of the standard VCC power supply voltage
and the coefficient of transient fluctuation does not exceed 0.1 V/ms at instantaneous power switching.
12. Initialization
In the device, there are internal registers which are initialized only by a power-on reset. To initialize these
registers, turn on the power again.
13. Notes on using CAN function
To use CAN function, please set ’1’ to DIRECT bit of CAN direct mode register (CDMR) .
If DIRECT bit is set to ’0’ (initial value) , wait states will be performed when accessing CAN registers.
Note : Please refer to Hardware Manual of “MB90910 series for detail of CAN Direct Mode Register”.
14. Flash security function
The security bit is located in the area of the Flash memory.
If protection code 01H is written in the security bit, the Flash memory is in the protected state by security.
Therefore, please do not write 01H in this address if you do not use the security function.
Please refer to following table for the address of the security bit.
15. Correspondence with TA
= +105 °C or more
If used exceeding TA
= +105 °C, please consult with us due to the restricted reliability.
It is ensured to write/erase data to the Flash memory between TA
= 40 °C and +105 °C.
Flash memory size
Address for security bit
MB90F912BS
Embedded 1 Mbit Flash Memory
FE0001H
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